Pathfinder 2e Spell: Grim Tendrils

Tendrils of darkness curl out from your fingertips and race through the air. You deal 2d4 void damage and 1 persistent bleed damage to living creatures in the line. Each living creature in the line must attempt a Fortitude save.

Critical Success The creature is unaffected.
Success The creature takes half the void damage and no persistent bleed damage.
Failure The creature takes full damage.
Critical Failure The creature takes double void damage and double persistent bleed damage.

Heightened (+1) The void damage increases by 2d4, and the persistent bleed damage increases by 1.